CVE-2024-53841
📋 TL;DR
This CVE describes a permission bypass vulnerability in Android's device state change listening mechanism that allows local privilege escalation without user interaction. Attackers can exploit this confused deputy issue to gain elevated privileges on affected devices. This primarily affects Android devices, particularly Google Pixel phones.
💻 Affected Systems
- Google Pixel phones
- Android devices with similar implementations
📦 What is this software?
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to install malware, access sensitive data, or maintain persistent access with system-level privileges.
Likely Case
Local attackers gaining elevated privileges to access protected data or system functions they shouldn't normally have access to.
If Mitigated
Limited impact if proper application sandboxing and permission controls are enforced, though the vulnerability bypasses some of these protections.
🎯 Exploit Status
Requires local access but no user interaction. Exploitation involves manipulating device state change listeners to bypass permission checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: December 2024 Android security patch level
Vendor Advisory: https://source.android.com/security/bulletin/pixel/2024-12-01
Restart Required: No
Instructions:
1. Check for system updates in Settings > System > System update. 2. Install December 2024 security patch. 3. Verify patch level in Settings > About phone > Android version.
🔧 Temporary Workarounds
Restrict app installations
AndroidOnly install apps from trusted sources like Google Play Store and disable unknown sources installation
Settings > Security > Install unknown apps > Disable for all apps
🧯 If You Can't Patch
- Implement strict app vetting and only allow trusted applications
- Use mobile device management (MDM) solutions to enforce security policies and monitor for suspicious behavior
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version. If before December 2024, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows 'December 1, 2024' or later in Settings > About phone > Android version.📡 Detection & Monitoring
Log Indicators:
- Unusual permission escalation attempts
- Suspicious device state change listener registrations
- Unexpected system service access
Network Indicators:
- Not applicable - local exploit only
SIEM Query:
Not applicable for typical SIEM deployment as this is a local device exploit